Système de mesures pour comparer et corriger au besoin des mouvements périodiques voisins,申请号FRD770540-传众专利搜索

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发明名称	Système de mesures pour comparer et corriger au besoin des mouvements périodiques voisins
摘要
申请公布号	FR770540(A)	申请公布日期	1934.09.15
申请号	FRD770540	申请日期	1934.03.22
申请人		发明人	DUCENNE FERNAND, JOSEPH, JEAN, CHARLES
分类号	G04D7/12	主分类号	G04D7/12
代理机构		代理人
主权项
地址

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